CN108910178B

CN108910178B - Pure mechanical automatic filling equipment

Info

Publication number: CN108910178B
Application number: CN201810971223.0A
Authority: CN
Inventors: 陈和奎
Original assignee: Jiangsu Kangbat Biology Engineering Co ltd
Current assignee: JIANGSU KANGBAT BIOLOGY ENGINEERING Co.,Ltd.
Priority date: 2018-08-24
Filing date: 2018-08-24
Publication date: 2020-08-04
Anticipated expiration: 2038-08-24
Also published as: CN108910178A

Abstract

The invention discloses a purely mechanical automatic filling device, which comprises a storage barrel and a filling component, wherein the storage barrel is provided with a storage barrel; a liquid outlet pipe communicated with the interior of the storage barrel is arranged on the side wall close to the bottom of the storage barrel, a cantilever rod is arranged on the outer wall close to the top of the storage barrel and positioned at the same side of the liquid outlet pipe, and a circular mounting ring is arranged on the cantilever rod; the filling valve comprises a circular tube communicated with the vertical section of the filling tube, and an annular concave cavity, a first supporting frame, a second supporting frame, an annular valve core and a supporting circular ring are sequentially arranged on the inner wall of the circular tube from an inlet to an outlet, wherein the annular concave cavity, the valve core and the supporting circular ring are coaxially arranged; the large end face of the conical piston is connected with the small end of the conical spring and is jacked to the position for blocking the through hole of the closed valve core in the non-working state, and the large end of the conical spring is coaxially fixed on the end face of the supporting circular ring; the invention has simple and ingenious structure and easy manufacture, and avoids possible explosion accidents during electrical control.

Description

Pure mechanical automatic filling equipment

Technical Field

The invention belongs to the technical field of fluid filling, and particularly relates to a purely-mechanically-controlled automatic filling device.

Background

In addition, for many fluid media, such as volatile fluid media, such as gasoline and the like, the explosion-proof requirement is strict, and the electrical elements need to be supplied with power and involve circuit connection, which is often a main factor of explosion accidents, so that corresponding production enterprises have to carry out high-price explosion-proof design on corresponding electrical elements and corresponding circuits, the input cost is extremely high, but the electrical explosion-proof cannot be fully realized, and the hidden danger of explosion on a filling line still exists.

Disclosure of Invention

The invention aims to solve the technical problems and provides a pure mechanical automatic filling device which is simple and reliable in structure, easy to manufacture and popularize and capable of effectively avoiding explosion accidents caused by an electric control circuit of an explosive fluid medium.

The technical scheme of the invention is as follows:

a purely mechanical automatic filling device comprises a storage barrel for storing fluid medium and a filling component for filling the fluid medium in the storage barrel to a corresponding sub-barrel;

the top end of the storage barrel is open, the bottom end of the storage barrel is closed, a liquid outlet pipe communicated with the interior of the storage barrel is arranged on the side wall close to the bottom of the storage barrel, a cantilever rod is arranged on the outer wall close to the top of the storage barrel and positioned on the same side as the liquid outlet pipe, and a circular mounting ring is arranged on the cantilever rod;

the filling component comprises an L-shaped filling pipe and a plurality of filling valves which are opened under preset pressure, the horizontal section of the filling pipe is connected with the liquid outlet pipe through a pair of flange plates, a sealing gasket is clamped between the two flange plates, the two flange plates are clamped by a clamping device to realize sealing connection, the top end of the vertical section of the filling pipe extends into the mounting ring, and the plurality of filling valves are arranged along the length direction of the vertical section;

the filling valve comprises a circular tube communicated with the vertical section of the filling tube, one end of the circular tube, which is connected with the filling tube, is an inlet end, the other end of the circular tube is an outlet end, and an annular cavity, a first supporting frame, a second supporting frame, an annular valve core and a supporting ring are sequentially arranged on the inner wall of the circular tube from the inlet to the outlet, wherein the annular cavity, the valve core and the supporting ring are coaxially arranged; the circular piston can axially slide in the circular tube and can plug and seal a tube hole of the circular tube when the non-annular cavity section slides; the piston rod axially extends into the first support frame and the second support frame along the circular tube and is supported by the two support frames and arranged on the axis of the circular tube, the piston rod can freely slide in the two support frames, the end part of the piston rod, which is close to one end of the first support frame, is fixedly provided with the circular piston, the end part, which is close to the second support frame, is just opposite to the blind hole on the end surface of the small end of the conical piston, the conical piston can be inserted into the through hole of the valve core, the large end surface of the conical piston is connected with the small end of the conical spring and pushes the conical piston to the position for blocking and sealing the through hole of the valve core under the non-working state, and the large end of;

and a plurality of return springs are connected between the circular piston and the first support frame, and the return springs enable the circular piston to be always positioned between the annular cavity of the pipe hole of the circular pipe and the inlet end of the circular pipe when the pressure at the inlet of the circular pipe does not reach a preset value, and can be pushed into the annular cavity to drive the valve rod to push the conical piston to a position separated from the inner wall of the through hole of the valve core when the pressure at the inlet of the circular pipe reaches the preset value.

Furthermore, the first support frame and the second support frame respectively comprise a section of cylinder which is coaxially arranged with the round pipe and three support strips which are arranged along the radial direction of the round pipe, the three support strips are in a circular array by taking a point on the axis of the round pipe as a center, two ends of each support strip are respectively fixed on the inner wall of the pipe hole of the round pipe and the outer wall of the round pipe, the round pipes on the two support frames are coaxially arranged, and the three support strips on the first support frame are respectively connected with the round piston through a cylindrical spring which is arranged in parallel to the axial direction of the round pipe; the valve rod comprises two sections of coaxially connected cylindrical sliding rods with different diameters, the two sliding rods are connected and transited through a section of cone frustum, and the thicker sliding rod of the two sections of sliding rods extends into the first supporting frame.

Furthermore, the small end of the conical piston extends out of the valve core through hole in a non-working state, and a circular plate-shaped bearing disc is coaxially sleeved at the part of the conical piston extending out of the valve core through hole; the valve linkage mechanism comprises a vertical rod, a first hinge rod, a second hinge rod and a fixed rod, wherein the vertical rod is connected with the end parts of the switch knob rods of the ball valves at the same time, the vertical rod is hinged on the fixed rod through the first hinge rod and the second hinge rod in sequence, the fixed rod is fixed on the outer side wall of the storage barrel close to the bottom, and when a handle on the second hinge rod is held to be pulled, the vertical rod twists all the switch knob rods connected with the vertical rod to the position where the ball valves are opened.

Further, the clamping device comprises a plurality of clamping mechanisms, and each clamping mechanism comprises a clamping arm and a locking bolt; the clamping arm is in a G shape displayed by a nixie tube, one end of the clamping arm with a hook part is hinged to the back part of one flange, and a pressing plate part opposite to the hook part is provided with a threaded through hole; when the clamping arm rotates around the hinge shaft of the clamping arm to stretch across and buckle the edges of the two flange plates, the edge parts of the two flange plates are positioned in the gap of the clamping arm, and the locking bolt is screwed into the threaded through hole and then vertically props against the back surface of the other flange plate to clamp the two flange plates; all clamping mechanisms are in a circular array with a point on the axis of the inner hole of the flange plate as the center.

Further, one end of the clamping arm with the hook part is hinged in a concave cavity on the back part of one flange, and the size of the concave cavity is enough to enable the clamping arm to rotate to a position that the pressing plate part is parallel to the axis of the inner hole of the flange plate.

Furthermore, the concave inner cavity of the hook part is in a semicircular concave shape, and the tail end of the thread of the locking bolt is pressed against the groove on the back surface of the other flange plate.

Furthermore, one of the two sealing end faces of the two connected flange plates is provided with a strip-shaped rectangular groove along the diameter direction, only one end of the rectangular groove penetrates through the cylindrical side face of the flange plate, and the rectangular groove and a clamping arm for clamping the two flange plates are arranged in a staggered mode; the sealing washer is annular, two parts of the sealing washer in the diameter direction are n-shaped bulges, and arc-shaped line edges are convexly arranged on the end surface parts of the sealing washer on the two sides of the n-shaped bulges; and a rectangular convex edge which is in socket fit with the opening of the n-shaped bulge is arranged on the other sealing end face, the rectangular convex edge is inserted into the closed end of the rectangular groove from the opening end of the rectangular groove and locks the locking bolt, the line edge is embedded into an arc-shaped gully on the corresponding flange plate end face, and the n-shaped bulge is just embedded into the rectangular groove.

Furthermore, the rectangular convex rib is of a combined and detachable type, the rectangular convex rib comprises a first rectangular convex rib and a second rectangular convex rib which are arranged on the other sealing end face, the second rectangular convex rib is a vertical sliding block part on the T-shaped sliding block, the horizontal sliding block part of the T-shaped sliding block is slidably positioned on the flange plate where the other sealing end face is positioned, and the first rectangular convex rib and the second rectangular convex rib can be just combined to form a complete rectangular convex rib; and the pressing force of the T-shaped sliding block on the n-shaped bulge of the sealing washer is adjusted by an adjusting bolt screwed in from the back of the flange plate where the other sealing end face is located.

Furthermore, the adjusting bolt sequentially comprises a nut, a threaded section and an optical axis section, the threaded section is matched with a threaded hole in a corresponding flange plate, the optical axis section extends into a containing cavity in the horizontal sliding block part of the T-shaped sliding block, the containing cavity sequentially comprises a coaxial cylindrical cavity and a ring cavity from outside to inside, the diameter of the cylindrical cavity is smaller than that of the ring cavity so as to form a cavity with a T-shaped axial section, an arc-shaped mounting groove is formed in the side wall of the optical axis section in the ring cavity along the circumferential direction of the side wall, a plurality of ejection springs are arranged at the bottom of the mounting groove along the radial direction of an optical axis, the ejection springs are connected with the arc-shaped sliding ribs, the inner arc surfaces of the sliding ribs are located in the mounting groove in a natural state, and the outer arc surfaces of the; when the optical axis section extends into the accommodating cavity, the sliding ribs are in extrusion contact with the inner wall of the cylindrical cavity and are ejected into the annular cavity by the ejection spring when entering the annular cavity.

Furthermore, a marking groove is arranged on one side, close to the sliding rib, of the end face of the nut, and a release screw is screwed into the circular ring cavity from the cylindrical side face of the flange plate and can push the sliding rib to be completely sunk into the mounting groove.

The invention has the beneficial effects that: the invention is convenient for installing all filling valves on the storage barrel at one time through the design principle of the communicating vessel, designs the unique filling valve to be matched with the characteristic that the fluid pressure at different heights is different along with the filling in the storage barrel, realizes the working process of controlling the automatic opening and closing of the filling valve at the corresponding height by the liquid level height (the pressure at the corresponding position) of the fluid in the storage barrel, has simple and reliable structure, is easy to manufacture and popularize, can be implemented without depending on any electrical control element, eliminates the explosion caused by electric sparks and the like in a circuit, and can effectively stop the explosion accident of explosive fluid media caused by the electrical control circuit.

Drawings

FIG. 1 is a schematic view of the structure of the present invention.

Fig. 2 is a schematic view of the filling valve structure.

Fig. 3 is a schematic structural view of the clamping device clamping two flange plates.

Fig. 4 is a schematic structural view of another clamping device for clamping two flange plates.

Fig. 5 is a schematic end view of a flange plate provided with a sealing gasket.

Fig. 6 is a sectional view taken along line a-a in fig. 5.

Fig. 7 is a schematic structural view of the sealing gasket when viewed along direction K in fig. 5.

FIG. 8 is a schematic end view of a flange plate provided with rectangular ribs.

Fig. 9 is a schematic end view of a flange plate with a removable rectangular fin.

Fig. 10 is a right side view of the structure shown in fig. 9.

Fig. 11 is an enlarged view of the connection structure between the adjusting bolt and the T-shaped slider.

FIG. 12 is a schematic cross-sectional view of a T-shaped slider.

Fig. 13 is a schematic cross-sectional view of an optical axis segment of an adjusting bolt provided with a sliding rib.

Fig. 14 is a schematic structural view of a valve linkage mechanism.

Element number description: a storage barrel 1, a filling pipe 2, a cantilever rod 3, a mounting ring 4, a filling valve 5, a flange plate 6, a liquid outlet pipe 7, a round pipe 8, an annular cavity 801, a supporting ring 9, a conical spring 10, a conical piston 11, a valve core 12, a bearing plate 13, a second supporting frame 14, a valve rod 15, a first supporting frame 16, a cylindrical spring 17, a round piston 18, a clamping arm 19, a hook portion 1901, a pressing plate portion 1902, a locking bolt 20 and a sealing gasket 21, a wire edge 2101, an n-shaped protuberance 2102, a release screw 22, an adjustment bolt 23, a nut 2301, a threaded section 2302, an optical axis section 2303, a marking score line 2304, a mounting slot 23031, an ejection spring 24, a sliding rib 25, a switch knob lever 26, a vertical lever 27, a first hinge lever 28, a second hinge lever 29, a fixed lever 30, a handle 31, a rectangular groove 601, a rectangular rib 602, a first rectangular rib 6021, a T-shaped slide 6022, a second rectangular rib 60221, and a horizontal slide portion 60222.

Detailed Description

The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.

The invention is further illustrated by the following examples in conjunction with the accompanying drawings:

as shown in fig. 1, a pure mechanical automatic filling device, including storage bucket 1 for depositing fluid medium and the filling part that is used for pouring the fluid medium in storage bucket 1 into corresponding sub-bucket, the top opening of storage bucket 1, the bottom is sealed, is provided with drain pipe 7 with storage bucket 1 inside intercommunication on the lateral wall by storage bucket 1 barrel head, is equipped with the valve on the drain pipe 7, is equipped with cantilever bar 3 on the outer wall by storage bucket 1 barrel head and lieing in the drain pipe 7 homonymy, is equipped with annular collar 4 on the cantilever bar 3, the filling part is including being L type filling pipe 2 and a plurality of filling valve 5 that open under the predetermined pressure, the horizontal segment of filling pipe 2 with drain pipe 7 is connected through a pair of flange board 6, accompany seal ring 21 between two flange boards 6 and two flange boards 6 are pressed from both sides tightly and are realized sealing connection by the clamp, here adopts two flange boards 6 to press from both sides tightly, can avoid the problem of counterpointing of a plurality of flange boards when using the flange board connection of bolt hole, be convenient for the vertical section top of mounting bolt hole pipe 2 stretch into the mounting ring 4 and be equipped with this ball valve and all through ball valve 5 along the vertical section and move the ball valve and all link mechanisms simultaneously and close.

As shown in fig. 2, the filling valve 5 includes a circular tube 8 communicated with the vertical section of the filling tube 2, one end of the circular tube 8 connected with the filling tube 2 is an inlet end, the other end is an outlet end, and an annular cavity 801, a first support frame 16, a second support frame 14, an annular valve core 12 and a support ring 9 are sequentially arranged on the inner wall of the circular tube 8 from the inlet to the outlet, wherein the annular cavity 801, the valve core 12 and the support ring 9 are coaxially arranged; the device also comprises a circular piston 18, a valve rod 15, a conical piston 11 and a conical spring 10 which are positioned in the circular tube 8, wherein the circular piston 18 can axially slide in the circular tube 8 and can plug and close a tube hole of the circular tube 8 when the non-annular cavity 801 section slides; the piston rod axially extends into the first support frame 16 and the second support frame 14 along the circular tube 8 and is supported and arranged on the axis of the circular tube 8 by the two support frames, the piston rod can freely slide in the two support frames, the end part of the piston rod, which is close to one end of the first support frame 16, is fixedly provided with the circular piston 18, the end part, which is close to the second support frame 14, is just opposite to the blind hole on the end surface of the small end of the conical piston 11, the conical piston 11 can be inserted into the through hole of the valve core 12, the large end surface of the conical piston 11 is connected with the small end of the conical spring 10 and pushes the conical piston 11 to the position for blocking the through hole of the closed valve core 12 in the non-working state, and the large end of the conical spring 10. And a plurality of return springs are connected between the circular piston 18 and the first support frame 16, and the return springs enable the circular piston 18 to be always positioned at a part between the annular cavity 801 of the pipe hole of the circular pipe 8 and the inlet end of the circular pipe 8 when the pressure at the inlet of the circular pipe 8 does not reach a preset value, and can be pushed into the annular cavity 801 to drive the valve rod 15 to push the conical piston 11 to a position separated from the inner wall of the through hole of the valve core 12 when the pressure at the inlet of the circular pipe 8 reaches the preset value.

When the purely mechanical automatic filling equipment is used for filling fluid media, the principle of a communicating device is specially adopted in the design of the equipment, namely, the filling pipe 2 is communicated with the storage barrel 1, the filling pipe 2 is L-shaped, only a general control valve is arranged on a liquid outlet pipe 7 connected with a horizontal pipe section of the filling pipe 2 to realize the control of the filling pipe 2, the filling pipe 2 can also be made of a transparent material and is provided with a corresponding liquid level scale line, when the equipment is used, inflow pipelines of all filling valves 5 are opened through a valve linkage mechanism, fluid enters the corresponding filling valves 5 and pushes away conical pistons 11 in corresponding circular pipes 8 to realize filling output, because the filling valves 5 are arranged along the length direction of a vertical pipe section, the liquid level height of the inlet ends of the filling valves 5 is different, the pressure at the inlet ends of the filling valves are correspondingly different, and the filling pressure is gradually increased from top to bottom, the use principle and the corresponding effect can be various situations, when the filling time requirement of the sub-barrels is consistent, the filling time requirement of the sub-barrel is met, namely, the filling pressure requirement of the filling valves 5 is different, the filling pressure requirement of the filling valves 5, and the filling pressure requirement of the filling valves 5 is not needed to be gradually reduced gradually, and the filling pressure requirement of the filling pressure of the filling valves 5 is solved.

Further, as shown in fig. 2, each of the first support frame 16 and the second support frame 14 includes a section of cylinder coaxially disposed with the circular tube 8 and three support strips radially disposed along the circular tube 8, the three support strips are in a circular array with a point on an axis of the cylinder as a center, two ends of each support strip are respectively fixed on an inner wall of a tube hole of the circular tube 8 and an outer wall of the cylinder, the cylinders on the two support frames are coaxially disposed, and the three support strips on the first support frame 16 are respectively connected to the circular piston 18 through a cylindrical spring 17 disposed in parallel with the axial direction of the circular tube 8; the valve rod 15 comprises two sections of coaxially connected cylindrical sliding rods with different diameters, the two sliding rods are connected and transited through one section of cone frustum, and the thicker sliding rod of the two sections of sliding rods extends into the first supporting frame 16, so that the valve rod 15 can better slide on the two supporting frames in a reciprocating and stable manner, and the circular piston 18 can be quickly restored to the position for closing the filling valve 5 when the pressure at the inlet end of the corresponding circular pipe 8 is lower than a preset value.

Further, as shown in fig. 2, the small end of the conical piston 11 extends out of the through hole of the valve core 12 in the non-working state, and a circular plate-shaped pressure-bearing disc is coaxially sleeved at the position where the conical piston 11 extends out of the through hole of the valve core 12, and the pressure-bearing plate 13 is arranged to enable the medium flowing through the annular cavity 801 to impact the pressure-bearing disc sufficiently in the circular tube 8, so that the conical piston 11 is pushed away from the through hole of the valve core 12 in time, and the filling valve 5 is opened quickly and timely. As shown in fig. 1 and 14, the valve linkage mechanism comprises a vertical rod 27, a first hinge rod 28, a second hinge rod 29 and a fixing rod 30, wherein the vertical rod 27 is connected with the end of the switch knob rod 26 of all the ball valves at the same time, the vertical rod 27 is sequentially hinged on the fixing rod 30 through the first hinge rod 28 and the second hinge rod 29, the fixing rod 30 is fixed on the outer side wall of the storage barrel 1 near the bottom, and when a handle 31 on the second hinge rod 29 is held and pulled, the vertical rod 27 twists all the switch knob rods 26 connected with the same to the position where the ball valves are opened, so that the inflow pipelines of all the filling valves 5 can be opened by rapidly pulling the handle 31 at one time.

Further, as shown in fig. 3, the clamping device includes a plurality of clamping mechanisms including a clamping arm 19 and a locking bolt 20; the clamping arm 19 is in a G shape shown by a nixie tube, one end of the clamping arm 19 with a hook part 1901 is hinged to the back of one flange, and a threaded through hole is formed in the pressing plate part 1902 opposite to the hook part 1901; when the clamping arm 19 rotates around the hinge shaft to cross and buckle the edges of the two flange plates 6, the edge parts of the two flange plates 6 are positioned in the notches of the clamping arm 19, and the locking bolt 20 is screwed into the threaded through hole and vertically abuts against the back surface of the other flange plate 6 to clamp the two flange plates 6; all clamping mechanism use the point on the 6 hole axes of flange board to be circular array as the center, this kind of structural design, can make clamping arm 19 depend on one of them flange board 6 all the time, convenient to use, can not omit, directly cover the rotatory cover of clamping arm 19 on two flange boards 6 when needing, and screw up lock nut can, it is very convenient to use, flange bolted connection for conventional, rapidly and convenient, also be adapted to filling tube 2's installation more, the counterpoint of corresponding bolt hole on two flange boards 6 of minimizing, this design provides favourable guarantee for filling tube 2's rapid installation.

Further, as shown in fig. 3, one end of the hooked portion 1901 of the clamping arm 19 is hinged in a cavity at the back of one of the flanges, and the cavity is large enough to enable the clamping arm 19 to rotate to a position where the pressing plate portion 1902 is parallel to the axis of the inner hole of the flange plate 6, so that the clamping arm 19 can rotate to the back of the flange plate 6 as much as possible when in use, and avoid interference with the other flange plate 6 when in installation, so that the clamping arm 19 has a non-interference rotation adjusting space within a 90-degree range between the clamping position and the disassembled position, and the non-interference rotation adjusting space also has an important role in quick installation of the filling tube 2.

Further, as shown in fig. 4, the recessed cavity of the hook 1901 is a semicircular recessed shape, the screw thread end of the locking bolt 20 abuts against the groove on the back surface of the other flange plate 6, and the semicircular recessed shape is formed, so that the size of the clamping arm 19 can be reduced as much as possible during the rotational clamping, so as to prevent the clamping arm from interfering with the edge of the flange plate 6.

Further, as shown in fig. 5 to 6, one of the two sealing end surfaces where the two flange plates 6 are connected is provided with a strip-shaped rectangular groove 601 along the diameter direction thereof, only one end of the rectangular groove 601 penetrates through the cylindrical side surface of the flange plate 6, and the rectangular groove 601 and the clamping arm 19 clamping the two flange plates 6 are arranged in a staggered manner in a crossing manner to balance the overall structure and prevent the interference of the subsequent adjusting bolt 23. As shown in fig. 7, the sealing gasket 21 is annular, two parts of the sealing gasket 21 in a diameter direction are n-shaped bulges 2102, and an arc-shaped line edge 2101 is convexly arranged on the end surface part of the sealing gasket 21 at two sides of the n-shaped bulges 2102. As shown in fig. 8, the other sealing end face is provided with a rectangular rib 602 which is in socket fit with the opening of the n-shaped bulge 2102, after the rectangular rib 602 is inserted into the closed end of the rectangular groove 601 from the open end thereof and the locking bolt 20 is locked, the line edge 2101 is embedded in the arc-shaped gully on the end face of the corresponding flange plate 6 and the n-shaped bulge 2102 is just embedded in the rectangular groove 601. The three configurations of the rectangular groove 601, the rectangular rib 602 and the sealing gasket 21 with the n-shaped bulge 2102 are provided to mainly facilitate the positioning of the two flange plates 6 during installation, during installation, the sealing gaskets 21 are firstly inserted into the end faces of the corresponding flange plates 6, then the top ends of the filling tubes 2 are inserted into the mounting rings 4 on the side walls of the top ends of the storage barrels 1, the corresponding flange plates 6 are held, the rectangular convex ribs 602 are inserted into positions from the open ends of the rectangular grooves 601 downwards, the locking bolts 20 on the corresponding clamping arms 19 can be just inserted into the grooves on the back faces of the other flange plates 6, the two flange plates 6 are pressed together by screwing the locking bolts 20, so that the rectangular rib 602 is firmly and sufficiently inserted into the opening (recess) of the pi-shaped ridge 2102 of the sealing gasket 21, and the entire sealing gasket 21 is sufficiently compressed between the two flange plates 6, thereby effectively achieving the joint seal. Therefore, the two flange plates 6 are connected quickly, the alignment is accurate and reliable, and the sealing performance is good.

Further, as shown in fig. 9-10, the rectangular rib 602 is detachable, the rectangular rib 602 includes a first rectangular rib 6021 and a second rectangular rib 60221 disposed on the other sealing end surface, and the second rectangular rib 60221 is a vertical slide block part of the T-shaped slide block 6022, as shown in fig. 12. The horizontal slide portion 60222 of the T-shaped slide 6022 is slidably positioned on the flange plate 6 at the other sealing end, and the first rectangular rib 6021 and the second rectangular rib 60221 are just combined to form the complete rectangular rib 602; the T-shaped slide 6022 adjusts its pressing force against the pi-shaped ridge 2102 of the sealing gasket 21 by means of an adjusting screw 23 screwed from the back of the flange plate 6 where the other sealing end face is located. It should be noted here that the rectangular protruding rib 602 is detachable, that is, the flange plate 6 provided with the rectangular protruding rib 602 is detachable, and the flange plate 6 is detached into the T-shaped slide block 6022 and the rest. Because the T-shaped slide block 6022 is actually cut from the original rib toward the edge of the flange plate 6, the T-shaped slide block 6022 is inserted and assembled to form a profile which is completely consistent with the original integral flange plate 6 with the rectangular rib 602. The purpose of this design is: so that the portion of the rectangular rib 602 facing the inner hole of the flange plate 6 is still integrally provided on the sealing end face of the flange plate 6 for being embedded and pressed at the pi-shaped bulge 2102 of the corresponding sealing gasket 21 to ensure the sealing of the contact face where the rectangular groove 601 is provided, and since the sealing here is not a planar sealing but a three-dimensional sealing with a certain offset height (caused by the pi-shaped bulge 2102), it is not sufficiently ensured that all the portions where the sealing gasket 21 is in contact with the corresponding flange plate 6 are sufficiently pressed and contacted, and there may be a case where the pi-shaped bulge 2102 embedded in the rectangular groove 601 is not contacted and contacted with the bottom 601 of the rectangular groove, for example, the second rectangular rib 60221 (i.e., the vertical slider portion of the T-shaped slider 6022) of the rectangular rib 602 is provided to further press the portion of the pi-shaped bulge 2102 against the edge side of the flange plate 6, that is the second rectangular rib 60221 portion of the rectangular rib 602 is further pressed by the adjusting bolt 23, so as to prevent the pi-shaped ridges 2102, which may be in a void state, from being sufficiently pressed into contact with the groove bottoms of the corresponding rectangular grooves 601 after the two flange plates 6 are tightly pressed together, thereby greatly improving the sealability of the two flange plates 6 after being mounted and positioned using the rectangular grooves 601. The depth of the adjusting bolt 23 is determined by the thickness of the rectangular convex rib 602 and the depth of the rectangular groove 601, generally, the thickness of the rectangular convex rib 602 is less than the depth of the rectangular groove 601 by 1 mm, so that the parts of the sealing washer 21 except the n-shaped bulges 2102 can be sufficiently pressed and sealed after the two flange plates 6 are occluded and pressed, and the rest n-shaped bulges 2102 can be further ensured by adopting the pressing of the second rectangular convex rib 60221, and the sliding fit tolerance between the T-shaped slide block 6022 and the flange plate 6 where the T-shaped slide block 6022 is positioned is sufficiently ensured during the manufacturing, namely, the abutting surfaces of the T-shaped slide block 6022 and the flange plate 6 are ensured to be smoothly and compactly attached, so that the self-sealing between the joint surfaces is realized, the whole structure design is scientific and strict, the connection reliability and the sealing performance of the filling tube 2 are greatly improved, the fluid medium with higher sealing requirements and explosion-proof requirements is practical, and the explosion-proof design cost required by electrical control can be added to the structural manufacturing of the special flange The cost can be reduced, the explosion-proof problem caused by electrical insulation is thoroughly solved, and the safety factor is improved.

Further, as shown in fig. 11, the adjusting bolt 23 sequentially includes a nut 2301, a threaded section 2302, and an optical axis section 2303, the threaded section 2302 is matched with a threaded hole on the corresponding flange plate 6, the optical axis section 2303 extends into an accommodating cavity in the horizontal slider portion 60222 of the T-shaped slider 6022, the accommodating cavity sequentially includes a cylindrical cavity and an annular cavity from outside to inside, and the diameter of the cylindrical cavity is smaller than that of the annular cavity to form a cavity with a T-shaped axial cross section. As shown in fig. 13, an arc-shaped mounting groove 23031 is formed in the side wall of the optical axis section 2303 located in the annular cavity along the circumferential direction of the side wall, a plurality of ejector springs 24 are radially arranged at the bottom of the mounting groove 23031 along the optical axis, the ejector springs 24 are connected with the arc-shaped sliding ribs 25, and the inner arc surfaces of the sliding ribs 25 are located in the mounting groove 23031 in a natural state, and the outer arc surfaces extend out of the mounting groove 23031; when the optical axis section 2303 extends into the accommodating cavity, the sliding ribs 25 are in extrusion contact with the inner wall of the cylindrical cavity and are pushed into the annular cavity by the ejection springs 24. Above-mentioned structure mainly used installation adjusting bolt 23 prevents that adjusting bolt 23 from dropping or avoiding carrying inconvenient problem at any time to make two flange plates 6 after the split, T type slider 6022 does not separate with flange plate 6 all the time.

Further, the side of the end surface of the nut 2301 adjacent to the sliding rib 25 is provided with a marking line 2304, and the release screw 22 is screwed into the annular cavity from the cylindrical side of the flange plate 6 and can push the sliding rib 25 into the mounting groove 23031 completely, so that the sliding rib 25 can be pushed into the mounting groove 23031 to allow the adjusting bolt 23 to be screwed out of the T-shaped slider 6022 when the T-shaped slider 6022 needs to be separated or repaired and replaced. The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. A purely mechanical automatic filling device comprises a storage barrel for storing fluid medium and a filling component for filling the fluid medium in the storage barrel to a corresponding sub-barrel;

the filling component comprises an L-shaped filling pipe and a plurality of filling valves which are opened under preset pressure, the horizontal section of the filling pipe is connected with the liquid outlet pipe through a pair of flange plates, a sealing gasket is clamped between the two flange plates, the two flange plates are clamped by a clamping device to realize sealing connection, the top end of the vertical section of the filling pipe extends into the mounting ring, the plurality of filling valves are arranged along the length direction of the vertical section, each filling valve is connected to the vertical section through a ball valve, and all the ball valves are opened or closed simultaneously through a valve linkage mechanism;

the filling valve comprises a circular tube communicated with the vertical section of the filling tube, one end of the circular tube, which is connected with the filling tube, is an inlet end, the other end of the circular tube is an outlet end, and an annular cavity, a first supporting frame, a second supporting frame, an annular valve core and a supporting ring are sequentially arranged on the inner wall of the circular tube from the inlet to the outlet, wherein the annular cavity, the valve core and the supporting ring are coaxially arranged; the circular piston can axially slide in the circular tube and can plug and seal a tube hole of the circular tube when the non-annular cavity section slides; the piston rod axially extends into the first support frame and the second support frame along the circular tube and is supported by the two support frames and arranged on the axis of the circular tube, the piston rod can freely slide in the two support frames, the end part of the piston rod, which is close to one end of the first support frame, is fixedly provided with the circular piston, the end part, which is close to the second support frame, is just opposite to the blind hole on the end surface of the small end of the conical piston, the conical piston can be inserted into the through hole of the valve core, the large end surface of the conical piston is connected with the small end of the conical spring and pushes the conical piston to the position for blocking and sealing the through hole of the valve core under the non-working state, and the large end of the;

a plurality of return springs are connected between the circular piston and the first support frame, the return springs enable the circular piston to be always positioned between the annular concave cavity of the pipe hole of the circular pipe and the inlet end of the circular pipe when the pressure at the inlet of the circular pipe does not reach a preset value, and the circular piston can be pushed into the annular concave cavity to drive the valve rod to push the conical piston to a position separated from the inner wall of the through hole of the valve core when the pressure at the inlet of the circular pipe reaches the preset value;

the clamping device comprises a plurality of clamping mechanisms, and each clamping mechanism comprises a clamping arm and a locking bolt; the clamping arm is in a G shape displayed by a nixie tube, one end of the clamping arm with a hook part is hinged to the back part of one flange, and a pressing plate part opposite to the hook part is provided with a threaded through hole; when the clamping arm rotates around the hinge shaft of the clamping arm to stretch across and buckle the edges of the two flange plates, the edge parts of the two flange plates are positioned in the gap of the clamping arm, and the locking bolt is screwed into the threaded through hole and then vertically props against the back surface of the other flange plate to clamp the two flange plates; all the clamping mechanisms are in a circular array by taking points on the axis of the inner hole of the flange plate as the center; one end of the clamping arm with the hook part is hinged in a concave cavity on the back part of one flange, and the size of the concave cavity is enough to enable the clamping arm to rotate to a position where the pressing plate part is parallel to the axis of the inner hole of the flange plate; the recessed inner cavity of the hook part is in a semicircular recessed shape, and the tail end of the thread of the locking bolt is propped in the groove on the back surface of the other flange plate; one of the two sealing end faces connected with the two flange plates is provided with a strip-shaped rectangular groove along the diameter direction, only one end of the rectangular groove penetrates through the cylindrical side face of the flange plate, and the rectangular groove and a clamping arm for clamping the two flange plates are arranged in a staggered mode in a crossed mode;

the method is characterized in that: the sealing washer is annular, two parts of the sealing washer in the diameter direction are n-shaped bulges, and arc-shaped line edges are convexly arranged on the end surface parts of the sealing washer on the two sides of the n-shaped bulges; and a rectangular convex edge which is in socket fit with the opening of the n-shaped bulge is arranged on the other sealing end face, the rectangular convex edge is inserted into the closed end of the rectangular groove from the opening end of the rectangular groove and locks the locking bolt, the line edge is embedded into an arc-shaped gully on the corresponding flange plate end face, and the n-shaped bulge is just embedded into the rectangular groove.

2. The purely mechanical automatic filling machine according to claim 1, characterized in that: the first support frame and the second support frame respectively comprise a cylinder which is coaxially arranged with the round pipe and three support strips which are arranged along the radial direction of the round pipe, the three support strips are in a circular array by taking a point on the axis of the cylinder as a center, two ends of each support strip are respectively fixed on the inner wall of the hole of the round pipe and the outer wall of the cylinder, the cylinders on the two support frames are coaxially arranged, and the three support strips on the first support frame are respectively connected with the circular piston through a cylindrical spring which is arranged in parallel with the axial direction of the round pipe; the valve rod comprises two sections of coaxially connected cylindrical sliding rods with different diameters, the two sliding rods are connected and transited through a section of cone frustum, and the thicker sliding rod of the two sections of sliding rods extends into the first supporting frame.

3. The purely mechanical automatic filling machine according to claim 2, characterized in that: the small end of the conical piston extends out of the valve core through hole in a non-working state, and a circular plate-shaped bearing disc is coaxially sleeved at the part of the conical piston extending out of the valve core through hole; the valve linkage mechanism comprises a vertical rod, a first hinge rod, a second hinge rod and a fixed rod, wherein the vertical rod is connected with the end parts of the switch knob rods of the ball valves at the same time, the vertical rod is hinged on the fixed rod through the first hinge rod and the second hinge rod in sequence, the fixed rod is fixed on the outer side wall of the storage barrel close to the bottom, and when a handle on the second hinge rod is held to be pulled, the vertical rod twists all the switch knob rods connected with the vertical rod to the position where the ball valves are opened.

4. The purely mechanical automatic filling machine according to claim 1, characterized in that: the rectangular convex rib is of a combined and detachable type, the rectangular convex rib comprises a first rectangular convex rib and a second rectangular convex rib which are arranged on the other sealing end face, the second rectangular convex rib is a vertical sliding block part on the T-shaped sliding block, the horizontal sliding block part of the T-shaped sliding block can be slidably positioned on the flange plate where the other sealing end face is positioned, and the first rectangular convex rib and the second rectangular convex rib can be just combined to form the complete rectangular convex rib; and the pressing force of the T-shaped sliding block on the n-shaped bulge of the sealing washer is adjusted by an adjusting bolt screwed in from the back of the flange plate where the other sealing end face is located.

5. The purely mechanical automatic filling machine according to claim 4, characterized in that: the adjusting bolt sequentially comprises a nut, a threaded section and an optical axis section, the threaded section is matched with a threaded hole in a corresponding flange plate, the optical axis section extends into a containing cavity in the horizontal sliding block part of the T-shaped sliding block, the containing cavity sequentially comprises a coaxial cylindrical cavity and a ring cavity from outside to inside, the diameter of the cylindrical cavity is smaller than that of the ring cavity so as to form a cavity with a T-shaped axial section, an arc-shaped mounting groove is formed in the side wall of the optical axis section in the ring cavity along the circumferential direction of the side wall, a plurality of ejection springs are arranged at the bottom of the mounting groove along the radial direction of an optical axis, the ejection springs are connected with the arc-shaped sliding ribs, the inner arc surfaces of the sliding ribs are located in the mounting groove in a natural state, and the outer arc surfaces; when the optical axis section extends into the accommodating cavity, the sliding ribs are in extrusion contact with the inner wall of the cylindrical cavity and are ejected into the annular cavity by the ejection spring when entering the annular cavity.

6. The purely mechanical automatic filling machine according to claim 5, characterized in that: and a marking groove is arranged on one side of the end face of the nut close to the sliding rib, and a release screw is screwed into the circular ring cavity from the cylindrical side face of the flange plate and can push the sliding rib into the mounting groove completely.